Add volume adjustment, lower default volume

Former-commit-id: 1b581ef16ceb4a7a26772352d24df9c84d846c88

voxygen/src/audio/mod.rs

@@ -76,4 +76,8 @@ impl AudioFrontend {
             self.play_music(music[i])
         }
     }
+
+    pub fn set_volume(&mut self, volume: f32) {
+        self.stream.set_volume(volume.min(1.0))
+    }
 }

voxygen/src/hud/mod.rs

@@ -91,6 +91,7 @@ font_ids! {
 pub enum Event {
     SendMessage(String),
     AdjustViewDistance(u32),
+    AdjustVolume(f32),
     Logout,
     Quit,
 }
@@ -210,6 +211,7 @@ pub struct Hud {
     force_ungrab: bool,
     // TODO: move to settings
     current_vd: u32,
+    current_volume: f32,
 }
 
 impl Hud {
@@ -247,6 +249,7 @@ impl Hud {
             settings,
             force_ungrab: false,
             current_vd: 5,
+            current_volume: 0.5,
         }
     }
 
@@ -376,8 +379,14 @@ impl Hud {
 
         // Settings
         if let Windows::Settings = self.show.open_windows {
-            for event in SettingsWindow::new(&self.show, &self.imgs, &self.fonts, self.current_vd)
+            for event in SettingsWindow::new(
-                .set(self.ids.settings_window, ui_widgets)
+                &self.show,
+                &self.imgs,
+                &self.fonts,
+                self.current_vd,
+                self.current_volume,
+            )
+            .set(self.ids.settings_window, ui_widgets)
             {
                 match event {
                     settings_window::Event::ToggleHelp => self.show.toggle_help(),
@@ -390,6 +399,10 @@ impl Hud {
                         self.current_vd = view_distance;
                         events.push(Event::AdjustViewDistance(view_distance));
                     }
+                    settings_window::Event::AdjustVolume(volume) => {
+                        self.current_volume = volume;
+                        events.push(Event::AdjustVolume(volume));
+                    }
                 }
             }
         }

voxygen/src/hud/settings_window.rs

@@ -1,11 +1,10 @@
-use super::{img_ids::Imgs, Fonts, TEXT_COLOR};
+use super::{img_ids::Imgs, Fonts, Show, TEXT_COLOR};
-use crate::{hud::Show, ui::ToggleButton};
 use crate::{
     render::Renderer,
     ui::{
         self,
         img_ids::{ImageGraphic, VoxelGraphic},
-        ImageSlider, ScaleMode, Ui,
+        ImageSlider, ScaleMode, ToggleButton, Ui,
     },
     window::Window,
 };
@@ -65,20 +64,26 @@ pub struct SettingsWindow<'a> {
     fonts: &'a Fonts,
 
     current_vd: u32,
-    //current_volume: u32,
+    current_volume: f32,
 
     #[conrod(common_builder)]
     common: widget::CommonBuilder,
 }
 
 impl<'a> SettingsWindow<'a> {
-    pub fn new(show: &'a Show, imgs: &'a Imgs, fonts: &'a Fonts, current_vd: u32) -> Self {
+    pub fn new(
+        show: &'a Show,
+        imgs: &'a Imgs,
+        fonts: &'a Fonts,
+        current_vd: u32,
+        current_volume: f32,
+    ) -> Self {
         Self {
             show,
             imgs,
             fonts,
             current_vd,
-            //current_volume,
+            current_volume,
             common: widget::CommonBuilder::default(),
         }
     }
@@ -96,6 +101,7 @@ pub enum Event {
     ToggleDebug,
     Close,
     AdjustViewDistance(u32),
+    AdjustVolume(f32),
 }
 
 impl<'a> Widget for SettingsWindow<'a> {
@@ -316,6 +322,8 @@ impl<'a> Widget for SettingsWindow<'a> {
             Toggle Help Window\n\
             Toggle Interface\n\
             Toggle FPS and Debug Info\n\
+            Take Screenshot\n\
+            Toggle Fullscreen\n\
             \n\
             \n\
             Move Forward\n\
@@ -382,6 +390,8 @@ impl<'a> Widget for SettingsWindow<'a> {
                  F1\n\
                  F2\n\
                  F3\n\
+                 F4\n\
+                 F11\n\
                  \n\
                  \n\
                  W\n\
@@ -493,7 +503,7 @@ impl<'a> Widget for SettingsWindow<'a> {
             .pad_track((5.0, 5.0))
             .set(state.ids.vd_slider, ui)
             {
-                events.push(Event::AdjustViewDistance(new_val as u32));
+                events.push(Event::AdjustViewDistance(new_val));
             }
         }
         // 5 Sound
@@ -532,11 +542,10 @@ impl<'a> Widget for SettingsWindow<'a> {
                 .color(TEXT_COLOR)
                 .set(state.ids.audio_volume_text, ui);
 
-            if let Some(new_val) = ImageSlider::discrete(
+            if let Some(new_val) = ImageSlider::continuous(
-                //self.current_volume,
+                self.current_volume,
-                self.current_vd,
+                0.0,
-                0,
+                1.0,
-                100,
                 self.imgs.slider_indicator,
                 self.imgs.slider,
             )
@@ -547,7 +556,7 @@ impl<'a> Widget for SettingsWindow<'a> {
             .pad_track((5.0, 5.0))
             .set(state.ids.audio_volume_slider, ui)
             {
-                events.push(Event::AdjustViewDistance(new_val as u32));
+                events.push(Event::AdjustVolume(new_val));
             }
         }
 

voxygen/src/main.rs

@@ -165,6 +165,10 @@ fn main() {
         audio: AudioFrontend::new(),
     };
 
+    // TODO: Remove this when the volume setting can be saved
+    // Lower the volume to 50%
+    global_state.audio.set_volume(0.5);
+
     // Set up the initial play state.
     let mut states: Vec<Box<dyn PlayState>> = vec![Box::new(MainMenuState::new(&mut global_state))];
     states

voxygen/src/session.rs

@@ -193,6 +193,9 @@ impl PlayState for SessionState {
                     HudEvent::AdjustViewDistance(view_distance) => {
                         self.client.borrow_mut().set_view_distance(view_distance)
                     }
+                    HudEvent::AdjustVolume(volume) => {
+                        global_state.audio.set_volume(volume);
+                    }
                 }
             }
 

voxygen/src/ui/widgets/image_slider.rs

@@ -119,7 +119,10 @@ impl<T, K> ImageSlider<T, K> {
     }
 }
 
-impl<T> ImageSlider<T, Continuous> {
+impl<T> ImageSlider<T, Continuous>
+where
+    T: Float,
+{
     pub fn continuous(
         value: T,
         min: T,
@@ -131,7 +134,10 @@ impl<T> ImageSlider<T, Continuous> {
     }
 }
 
-impl<T> ImageSlider<T, Discrete> {
+impl<T> ImageSlider<T, Discrete>
+where
+    T: Integer,
+{
     pub fn discrete(
         value: T,
         min: T,